Aaseng, Nathan

Contains profiles of the lives and achievements of ten African-American inventors from the nineteenth and twentieth centuries, including Garrett Morgan, the creator of the gas mask and traffic signal, Elijah McCoy, the holder of over sixty patents, and Sarah Walker, a beauty product mogul.

Profiles the 1896 Supreme Court trial that tested the constitutionality of laws in the South that enforced racial segregation in train travel, and discusses the impact of the verdict which provided a legal cover for racial discrimination throughout the United States.

Presents a detailed description of avalanches, discussing their types and causes, the prediction of their occurrence, and the techniques of survival and rescue efforts.

Discusses the history of the home of the United States president, including its location, design and construction, fire and rebuilding, renovations, and how it evolved into a modern residence.

Covers the symptoms, treatments, and possible causes of autoimmune diseases.

Examines eight crucial business decisions of the twentieth century.

Describes the history of ultramarathons and highlights eight of the most exhausting modern-day races including The Torturous 26, The Ironman Triathlon, and The Nanisivik Midnight Sun Ultra.

Offers profiles of six well-known rivalries between teams in professional football, baseball, basketball, and hockey.

Profiles eight National Football League games in which the officials made controversial calls.

Explores the decade of the 1940s worldwide, highlighting a selection of the significant scientists, inventions, and scientific developments of the era.